From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 02B10C43381 for ; Mon, 4 Mar 2019 08:23:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C230521019 for ; Mon, 4 Mar 2019 08:23:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1551687792; bh=afWTkKlvY+yXLZUy2FdQff3MbsVGrYdX20qUCnOBCcg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=hlRRm0TVmQN1xynZo/XK/p2FOBenZrvZhSY41QGwdEzd3B1RjTwZHcNn8FQpaubAQ xNautwkc+jbEiAZqTbDdvmw6mAkp/hFxxuA4X7zcPrDib9xEDpCoahmD607adZv41g drR5/TUW1jDnKxyaCdwtNxnQrLc7VRAYGePgxuJ4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726485AbfCDIXL (ORCPT ); Mon, 4 Mar 2019 03:23:11 -0500 Received: from mail.kernel.org ([198.145.29.99]:38522 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726128AbfCDIXK (ORCPT ); Mon, 4 Mar 2019 03:23:10 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D54EF20823; Mon, 4 Mar 2019 08:23:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1551687789; bh=afWTkKlvY+yXLZUy2FdQff3MbsVGrYdX20qUCnOBCcg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c3zKMp+CIgkA3adsQu3cOCKp/gtoXeTOIe6P6EIuLsqjO6+kZ/F9MPUtMGDRwUGBx Fqs28cLzZUe9v/1HxrUN4tCWAzxJ13DvbwOWNAxzhQNVhWAVcxZYPZY7nRGuxZ+f8N RRTSUhC07nC8beLHmIfmrbmiIssAssJu+a/tOTGk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Varun Prakash , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 4.9 20/32] scsi: csiostor: fix NULL pointer dereference in csio_vport_set_state() Date: Mon, 4 Mar 2019 09:22:08 +0100 Message-Id: <20190304081603.741616267@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190304081602.307094059@linuxfoundation.org> References: <20190304081602.307094059@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit fe35a40e675473eb65f2f5462b82770f324b5689 ] Assign fc_vport to ln->fc_vport before calling csio_fcoe_alloc_vnp() to avoid a NULL pointer dereference in csio_vport_set_state(). ln->fc_vport is dereferenced in csio_vport_set_state(). Signed-off-by: Varun Prakash Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/csiostor/csio_attr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/csiostor/csio_attr.c b/drivers/scsi/csiostor/csio_attr.c index 2d1c4ebd40f91..6587f20cff1a1 100644 --- a/drivers/scsi/csiostor/csio_attr.c +++ b/drivers/scsi/csiostor/csio_attr.c @@ -582,12 +582,12 @@ csio_vport_create(struct fc_vport *fc_vport, bool disable) } fc_vport_set_state(fc_vport, FC_VPORT_INITIALIZING); + ln->fc_vport = fc_vport; if (csio_fcoe_alloc_vnp(hw, ln)) goto error; *(struct csio_lnode **)fc_vport->dd_data = ln; - ln->fc_vport = fc_vport; if (!fc_vport->node_name) fc_vport->node_name = wwn_to_u64(csio_ln_wwnn(ln)); if (!fc_vport->port_name) -- 2.19.1